Analysis
-
max time kernel
76s -
max time network
98s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
19-03-2023 18:19
Static task
static1
Behavioral task
behavioral1
Sample
8a58ec8781e8b2835a2d33a6a4412b4ce0674be037eba31a55c8cefe56c903c1.exe
Resource
win7-20230220-en
General
-
Target
8a58ec8781e8b2835a2d33a6a4412b4ce0674be037eba31a55c8cefe56c903c1.exe
-
Size
2.6MB
-
MD5
bff65ec63e4cc671151742fc54112927
-
SHA1
c1029b86bb35cb202bb34a75dba3213acddab7b7
-
SHA256
8a58ec8781e8b2835a2d33a6a4412b4ce0674be037eba31a55c8cefe56c903c1
-
SHA512
dc1f179da665dddebc662a3d5baf978598724383aa2b0c08a8074d00069ff24f177fa7bde4610106012eb910efec01c6f0cd579b8cbcb6f4d0bc052ef05aa8ff
-
SSDEEP
49152:EGlJfslgHZ8h7Dbm+Q6doaFMvOUfRop2qFIHmoorD3HbfuhkmtN5dlLYp:52tm+Q6doaFMl+uKDDidPYp
Malware Config
Extracted
gcleaner
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Signatures
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
FRec317.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation FRec317.exe -
Executes dropped EXE 3 IoCs
Processes:
is-PFESB.tmpFRec317.exeHNQDo.exepid process 636 is-PFESB.tmp 4328 FRec317.exe 840 HNQDo.exe -
Loads dropped DLL 1 IoCs
Processes:
is-PFESB.tmppid process 636 is-PFESB.tmp -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops file in Program Files directory 9 IoCs
Processes:
is-PFESB.tmpdescription ioc process File created C:\Program Files (x86)\FIYsoftFR\FRec317\is-P59Q2.tmp is-PFESB.tmp File created C:\Program Files (x86)\FIYsoftFR\FRec317\is-1I6I1.tmp is-PFESB.tmp File created C:\Program Files (x86)\FIYsoftFR\FRec317\is-SP8H4.tmp is-PFESB.tmp File created C:\Program Files (x86)\FIYsoftFR\FRec317\is-8CLGR.tmp is-PFESB.tmp File created C:\Program Files (x86)\FIYsoftFR\FRec317\data\is-VAE4J.tmp is-PFESB.tmp File opened for modification C:\Program Files (x86)\FIYsoftFR\FRec317\FRec317.exe is-PFESB.tmp File created C:\Program Files (x86)\FIYsoftFR\FRec317\unins000.dat is-PFESB.tmp File created C:\Program Files (x86)\FIYsoftFR\FRec317\is-TG5O4.tmp is-PFESB.tmp File opened for modification C:\Program Files (x86)\FIYsoftFR\FRec317\unins000.dat is-PFESB.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 2216 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
FRec317.exepid process 4328 FRec317.exe 4328 FRec317.exe 4328 FRec317.exe 4328 FRec317.exe 4328 FRec317.exe 4328 FRec317.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 2216 taskkill.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
8a58ec8781e8b2835a2d33a6a4412b4ce0674be037eba31a55c8cefe56c903c1.exeis-PFESB.tmpFRec317.execmd.exedescription pid process target process PID 1468 wrote to memory of 636 1468 8a58ec8781e8b2835a2d33a6a4412b4ce0674be037eba31a55c8cefe56c903c1.exe is-PFESB.tmp PID 1468 wrote to memory of 636 1468 8a58ec8781e8b2835a2d33a6a4412b4ce0674be037eba31a55c8cefe56c903c1.exe is-PFESB.tmp PID 1468 wrote to memory of 636 1468 8a58ec8781e8b2835a2d33a6a4412b4ce0674be037eba31a55c8cefe56c903c1.exe is-PFESB.tmp PID 636 wrote to memory of 4328 636 is-PFESB.tmp FRec317.exe PID 636 wrote to memory of 4328 636 is-PFESB.tmp FRec317.exe PID 636 wrote to memory of 4328 636 is-PFESB.tmp FRec317.exe PID 4328 wrote to memory of 840 4328 FRec317.exe HNQDo.exe PID 4328 wrote to memory of 840 4328 FRec317.exe HNQDo.exe PID 4328 wrote to memory of 840 4328 FRec317.exe HNQDo.exe PID 4328 wrote to memory of 1760 4328 FRec317.exe cmd.exe PID 4328 wrote to memory of 1760 4328 FRec317.exe cmd.exe PID 4328 wrote to memory of 1760 4328 FRec317.exe cmd.exe PID 1760 wrote to memory of 2216 1760 cmd.exe taskkill.exe PID 1760 wrote to memory of 2216 1760 cmd.exe taskkill.exe PID 1760 wrote to memory of 2216 1760 cmd.exe taskkill.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\8a58ec8781e8b2835a2d33a6a4412b4ce0674be037eba31a55c8cefe56c903c1.exe"C:\Users\Admin\AppData\Local\Temp\8a58ec8781e8b2835a2d33a6a4412b4ce0674be037eba31a55c8cefe56c903c1.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-QQOSV.tmp\is-PFESB.tmp"C:\Users\Admin\AppData\Local\Temp\is-QQOSV.tmp\is-PFESB.tmp" /SL4 $D003C "C:\Users\Admin\AppData\Local\Temp\8a58ec8781e8b2835a2d33a6a4412b4ce0674be037eba31a55c8cefe56c903c1.exe" 2484796 527362⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\FIYsoftFR\FRec317\FRec317.exe"C:\Program Files (x86)\FIYsoftFR\FRec317\FRec317.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\{9e74baef-b191-11ed-b7c8-806e6f6e6963}\HNQDo.exe
- Executes dropped EXE
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "FRec317.exe" /f & erase "C:\Program Files (x86)\FIYsoftFR\FRec317\FRec317.exe" & exit4⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\taskkill.exetaskkill /im "FRec317.exe" /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Program Files (x86)\FIYsoftFR\FRec317\FRec317.exeFilesize
3.5MB
MD5bfcf759ea5cde8b3e03aa2456719ea8e
SHA12b7fd2ab879f39bb332b505f211fc7da2f5e8ed6
SHA2564699fe74eed43fdd6589e30c7599b7a99b47799c04e8d3d4e4df069db6736fc6
SHA512490c810410b95bd1e3743c4c51f5238c307ee9e5fcb4533514ecee7b0c4734065de996cc0d7fc195f7efb441d5f586bbd9904c16e72581076823feaddd51205f
-
C:\Program Files (x86)\FIYsoftFR\FRec317\FRec317.exeFilesize
3.5MB
MD5bfcf759ea5cde8b3e03aa2456719ea8e
SHA12b7fd2ab879f39bb332b505f211fc7da2f5e8ed6
SHA2564699fe74eed43fdd6589e30c7599b7a99b47799c04e8d3d4e4df069db6736fc6
SHA512490c810410b95bd1e3743c4c51f5238c307ee9e5fcb4533514ecee7b0c4734065de996cc0d7fc195f7efb441d5f586bbd9904c16e72581076823feaddd51205f
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\G1ORIWBN\dll[1].htmFilesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
-
C:\Users\Admin\AppData\Local\Temp\is-JCLJ6.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
-
C:\Users\Admin\AppData\Local\Temp\is-QQOSV.tmp\is-PFESB.tmpFilesize
659KB
MD563bdf487b26c0886dbced14bab4d4257
SHA1e3621d870aa54d552861f1c71dea1fb36d71def6
SHA256ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a
SHA512b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40
-
C:\Users\Admin\AppData\Local\Temp\is-QQOSV.tmp\is-PFESB.tmpFilesize
659KB
MD563bdf487b26c0886dbced14bab4d4257
SHA1e3621d870aa54d552861f1c71dea1fb36d71def6
SHA256ca5e816fa95cbcd2a880f2c319d3ddf09686e96ee633af63a396969e5e62335a
SHA512b433e540c9da175efdd09d44be39c563176046d89aa03edcc43e3582aa1f180e40e283503d152a46e07d4e77f8fa18b76118e425961b507ad5ca3864c39a7c40
-
C:\Users\Admin\AppData\Roaming\{9e74baef-b191-11ed-b7c8-806e6f6e6963}\HNQDo.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
-
C:\Users\Admin\AppData\Roaming\{9e74baef-b191-11ed-b7c8-806e6f6e6963}\HNQDo.exeFilesize
72KB
MD53fb36cb0b7172e5298d2992d42984d06
SHA1439827777df4a337cbb9fa4a4640d0d3fa1738b7
SHA25627ae813ceff8aa56e9fa68c8e50bb1c6c4a01636015eac4bd8bf444afb7020d6
SHA5126b39cb32d77200209a25080ac92bc71b1f468e2946b651023793f3585ee6034adc70924dbd751cf4a51b5e71377854f1ab43c2dd287d4837e7b544ff886f470c
-
memory/636-150-0x0000000000570000-0x0000000000571000-memory.dmpFilesize
4KB
-
memory/636-180-0x0000000000400000-0x00000000004B4000-memory.dmpFilesize
720KB
-
memory/636-198-0x0000000000400000-0x00000000004B4000-memory.dmpFilesize
720KB
-
memory/1468-179-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/1468-199-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/1468-133-0x0000000000400000-0x0000000000413000-memory.dmpFilesize
76KB
-
memory/4328-174-0x0000000010000000-0x000000001001B000-memory.dmpFilesize
108KB
-
memory/4328-182-0x0000000000400000-0x0000000001585000-memory.dmpFilesize
17.5MB
-
memory/4328-166-0x0000000000400000-0x0000000001585000-memory.dmpFilesize
17.5MB
-
memory/4328-197-0x0000000000400000-0x0000000001585000-memory.dmpFilesize
17.5MB